TA1270 데이터 시트보기 (PDF) - Toshiba

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TA1270

TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC

Toshiba 

PIN

No.

PIN NAME

FUNCTION

46 SECAM CONT

I / O pin used to control SECAM

demodulator IC.

If 250 µA or more flows from this pin,

SECAM is determined.

INTERFACE

TA1270BF

INPUT / OUTPUT

SIGNAL

At PAL /

NTSC : 3.7 V

At SECAM

(Black and white) :

0.7 V

47 B-Y / Cb output

Outputs B-Y (U) signal or Cb signal.

Incorporates LPF to reject carrier.

Pedestal level: 2.4 V

48 R-Y / Cr output

Outputs R-Y (V) signal or Cr signal.

Incorporates LPF to reject carrier.

Pulling up the pin with 10 kΩ

monitors CHROMA signal after ACC

and TOF circuits (before demo

input).

R-Y output

Pedestal level: 2.7 V

Cr output

Pedestal level: 2.5 V

9

2002-12-24

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